Motor soft starter VersiStart III

three-phasecompacteconomical

Features •three-phase controlled soft starter •controlled by microcontroller •optimized soft start and current control •connection in the motor delta winding (cost saving via smaller rating) •current and torque reduction during acceleration •easy mounting, for snap-mounting on 35 mm standard rail •integrated bypass relay •parameterization by means of potentiometers •no mains neutral conductor (N) required •economically priced substitute for star-delta starters •spring-loaded terminals •heat sink temperatur monitoring •compact design, 45mm up to 25A and 52,5mm at 45A •degree of protection IP20 •motor protection •thermal device protection Functions •soft acceleration and deceleration •potential-free control input for •soft acceleration and deceleration •separately adjustable parameters •accel. time, start voltage, decel. time, current limiting, •rated device current and tripping class •boost-start selectable •potential-free relay output for operating state •transistor output — unit bypassed Options (upon request) •special voltages 230V and 480V •wide voltage range 200-480V with external •control supply voltage US 230VAC (B) Preferred application areas •electric pumps •vacuum pumps •ventilators and fans •extraction systems •stirrers •centrifuges •saws •conveyors •woodworking machines •grinding machines •drives with high load •others